assured vs confident

assured

adj

  • Self-confident; self-assured; sure. 

  • Guaranteed; secure. 

noun

  • An insured person. 

confident

adj

  • Self-assured, self-reliant, sure of oneself. 

  • Very sure of something; positive. 

How often have the words assured and confident occurred in a corpus of books? (source: Google Ngram Viewer )